CN116270901B - Chinese herbal compound and pharmaceutical composition thereof - Google Patents
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- CN116270901B CN116270901B CN202211675138.2A CN202211675138A CN116270901B CN 116270901 B CN116270901 B CN 116270901B CN 202211675138 A CN202211675138 A CN 202211675138A CN 116270901 B CN116270901 B CN 116270901B
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Abstract
The invention discloses a traditional Chinese medicine compound, which comprises American ginseng, gastrodia elata, pseudo-ginseng, red-rooted salvia root and longan in a weight ratio of 5-8:5-8:2-4:2-4:2. The invention is used for treating dementia, dizziness, tinnitus, insomnia and the like with deficiency of qi and blood and accumulation of phlegm and blood, and mainly treats amnesia, shortness of breath, hypodynamia, slow speech, dizziness, blurred vision, tinnitus, insomnia and the like, dark purple face and lips, dark red tongue or ecchymosis, and fine and astringent pulse.
Description
Technical Field
The invention relates to the technical field of traditional Chinese medicines. More specifically, the invention relates to a traditional Chinese medicine compound and a pharmaceutical composition thereof.
Background
Rhizoma Gastrodiae, radix Panacis Quinquefolii, notoginseng radix, saviae Miltiorrhizae radix, and arillus longan are five kinds of medicinal and edible Chinese medicinal materials. Gastrodia elata suppresses liver yang, dispels external wind and dredges channels and collaterals, is an essential drug for treating dizziness and headache, and is described in Ben Cao gang mu: gastrodia elata is a wind-dispelling herb, so the gastrodia elata is a drug for dispelling wind, and is mainly used for tonifying qi and nourishing yin and promoting fluid production, and is mainly used for treating qi and yin deficiency, pseudo-ginseng activating blood and dissipating stasis, stopping bleeding and not retaining stasis, and removing stasis and not damaging the healthy energy, and is recorded in the medical Zhong Shenxi Ji: notoginseng radix, has effects of removing blood stasis, stopping bleeding, and promoting blood circulation, and can be used for treating stasis obstruction, saviae Miltiorrhizae radix with effects of promoting blood circulation, removing blood stasis, promoting tissue regeneration, clearing heart fire, cooling blood, relieving restlessness, and treating stagnation of blood stasis, dysphoria, palpitation, insomnia, longan, invigorating heart and spleen, nourishing blood, and tranquilizing mind. The study further explores the safety and effectiveness of the five-medicine compatibility prescription through experiments on the basis.
Disclosure of Invention
The invention aims to solve at least the problems and provide a traditional Chinese medicine compound and a composition thereof, which are used for treating dementia, dizziness, tinnitus, insomnia and the like caused by deficiency of qi and blood and accumulation of phlegm and blood stasis, and mainly treat amnesia, shortness of breath and weakness, slow speech, dizziness, blurred vision, tinnitus, insomnia and the like, dark purple face and lips, dark red tongue or blood stasis and fine and astringent pulse.
In order to achieve the purposes and other advantages according to the invention, a Chinese herbal compound is provided, which comprises American ginseng, gastrodia elata, pseudo-ginseng, red-rooted salvia root and longan in a weight ratio of 5-8:5-8:2-4:2-4:2.
Preferably, the American ginseng, the gastrodia tuber, the pseudo-ginseng, the red sage root and the longan are all water extracts or alcohol extracts.
Preferably, the American ginseng, the gastrodia tuber, the pseudo-ginseng, the red sage root and the longan are all raw medicines and are directly ground into powder.
Preferably, the medicine contains the Chinese herbal compound and a pharmaceutically acceptable carrier.
Preferably, the pharmaceutically acceptable carrier comprises diluents, solubilizers, cosolvents, disintegrants, dispersants, lubricants, flavoring agents, antioxidants, binders, absorbents, wetting agents, buffers, crosslinking agents.
Preferably, the medicament is formulated into a pharmaceutically acceptable dosage form.
Preferably, the dosage forms comprise pills, tablets, powders, capsules, granules, dripping pills, drops, sprays, injections, suspensions, gels and suppositories.
Preferably, the dosage form is a powder.
Preferably, the administration dosage of the traditional Chinese medicine compound in the medicine is not less than 0.4 mg/kg.d.
The invention at least comprises the following beneficial effects: gastrodia elata is a monarch drug, american is a ministerial drug, gastrodia elata eliminates evil, american ginseng is used for strengthening body resistance, pseudo-ginseng is a ministerial drug, red sage root is an adjuvant drug, and longan is a conductant drug; the five medicines are combined together, the deficiency tonifying and the blood activating are combined, the blood nourishing and the stasis removing are carried out simultaneously, the body resistance is maintained without retaining the stasis, the stasis removing and the body resistance are carried out without hurting the body resistance, and the effects of tonifying qi and nourishing blood, activating yang and resolving hard mass, and activating blood and dredging collaterals are achieved, and the five medicines are used for treating dementia, dizziness, tinnitus, insomnia and the like with the symptoms of deficiency of qi and blood and phlegm and accumulation, and mainly used for treating amnesia, shortness of breath and weakness, slow speech, dizziness, blurred vision, tinnitus, insomnia and the like, dark purple face lips, dark red tongue or blood stasis spots and thready and unsmooth pulse.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a Y maze spontaneous alternation experiment and a new object recognition experiment before intervention;
FIG. 2 is a line graph of escape latency of mice after intervention;
FIG. 3 is a Morris water maze space exploration experiment result;
FIG. 4 is a Y maze test result;
FIG. 5 is a graph showing the results of a new object recognition experiment;
FIG. 6 shows the results of routine blood tests;
FIG. 7 shows the HE staining results for each group of mice.
Detailed Description
The present invention is described in further detail below with reference to examples to enable those skilled in the art to practice the invention by reference to the specification.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
The experimental methods described in the following embodiments are conventional methods unless otherwise indicated, and the reagents and materials are commercially available.
1. Experimental materials and reagents
1.1 Experimental instrument
1.2 Experimental reagents
2 preparation of the medicament
The Chinese herbal compound is prepared from five medicines of American ginseng, gastrodia tuber, pseudo-ginseng, red sage root and longan according to the proportion of 6:6:3:3:2, and is provided by a first affiliated hospital pharmacy of Guangxi Chinese medicine university. Weighing the Chinese herbal compound, adding into physiological saline, stirring, dissolving completely, making into 80mg/mL Chinese herbal compound water solution, and placing into SB-800DTD ultrasonic cleaner (Ningbo Xinzhi biotechnology Co., ltd.) for shaking and mixing.
Donepezil hydrochloride is manufactured by the plant biotechnology Co., ltd., specification: 5 mg/tablet, approval document: chinese medicine standard character H20010723, product batch number: 22040005, preparing into 0.065mg/mL aqueous solution with physiological saline, and storing in a refrigerator at 4deg.C.
3. Experimental grouping and intervention
3.1 Grouping and marking of laboratory animals
64 SPF-class male 6 month old APP/PS1 transgenic mice (APP/PS 1 is a double transgenic mouse, expressing chimeric mouse/human amyloid precursor protein (Mo/HuAPP 695 swe) and mutant human presenilin 1 (PS 1-dE 9), both localized to CNS neurons) and 13 male APP/PS1 negative mice, supplied by Jiangsu Hua Xinnuo medical science and technology Co., ltd., laboratory animal production license number: SCXK (su) 2020-0009, experimental animal use license number: SYXK (Su) 2020-0041, quality eligibility number of experimental animals: 202245603. all experimental procedures involving animals were approved by the institutional animal welfare and ethics committee of the university of chinese medicine, guangxi, auditing lot number: DW20220707-188, all study designs and operations during the experiment conform to the 3R principles of substitution (replacement), reduction (reduction) and optimization (Refine). All mice were kept in the SPF class laboratory at the university of chinese medicine animal experiment center, guangxi, using license number: SYXK 2019-0001, animal experiment operator training accession number 22070901.
3.2 management of laboratory interventions in mice during 1 week of adaptive feeding
Humiture: and (3) reasonably ventilating according to the animal house condition, and keeping certain temperature and humidity. The temperature and humidity are set and controlled in accordance with international regulations. Temperature: (23+ -2) deg.C, the temperature is observed daily, and the temperature is adjusted as necessary. Relative humidity: 50%. Noise: 60 dB or less. Illumination: the natural environment is simulated by day and night illumination. Illumination: the lamp was turned on at 8:00 a day for 12 hours, and turned off at 20:00 a day. Ammonia gas: to keep the air fresh, it is controlled below 20 ppm. Ventilation: 15 times/hour. Airflow: 20 cm/min. Cage utensil: the SPF corncob litter in the mouse cages (beijing aogaku synergetic feed limited) was exchanged once a week. Feed: the mice were fed with a maintenance feed (Jiangsu province cooperative medical bioengineering Co., ltd.) for the nitrogen-packed C060 irradiation laboratory mice. The mice were free to ingest and drink water. The mice take food mainly at night, are filled with feed and drinking water at 15 pm every day, and check at 8 am every day to supplement feed for the feed deficiency cage. And (3) drinking water: the drinking bottle is washed every 3 days, and the fresh and clean drinking water is added in time.
3.3 grouping of mice and behavioural detection
13 APP/PS1 negative male mice served as a blank control group (Blank control group, CON), and 64 APP/PS1 male experimental mice were divided into 4 groups according to the random block method: model group (MOD), compound low dose group (Low dose group powder, LDG), compound high dose group (High dose group of powder, HDG), donepezil group (DON) hydrochloride, 16 each. The spontaneous alternation of Y maze experiment and new object identification experiment after 7 days of adaptive feeding evaluate the memory and exploratory ability of each group of mice before drug intervention.
(1) Y maze spontaneous alternation experiment (Y-maze Spontaneous Alternation Test, YSA)
The mice in each group were tested by Y maze test before and after the administration. The Y labyrinth device consists of three black opaque support arms which are 35cm long, 5cm wide and 15cm high and have an included angle of 120 degrees between the arms, and the tail ends of the three arms are stuck with different pattern marks. And a layer of padding is thinly paved at the bottom of the Y maze, and the padding is uniformly stirred and mixed before each mouse experiment so as to eliminate the interference of the walking route and smell of the previous mouse. The three arms are in turn labeled A, B, C, and the mice alternately explore three different arms (e.g., ABC, ACB, BAC, BCA, CAB, CBA) as the actual number of transitions (alternations). Non-alternating exploration of three different arms (e.g., BCB, ACA, BAB, etc.) does not account for the number of transitions. The total number of arm entries is explored minus two times as the maximum number of transitions.
The room was kept quiet during the experiment, and each mouse was placed in the Y maze for 5min before the formal experiment. After 1h interval, the formal experiment is started, mice are put into the Y maze A arm, and the head direction of each mouse is ensured to be consistent. The software monitors and records the total number of times (N) the mice entered the three arms over 5 minutes and the order of entering the arms. The mice were serially entered into 3 different arms for 1 correct alternating reaction, while the number of correct alternating reactions was recorded. Spontaneous alternation accuracy (%) =correct alternation reaction number/(total number of entries into three arms-2) ×100%. The free alternation response rate is an index for evaluating the short-term memory ability (working memory), discrimination ability of spatial position sense and orientation sense, and segment memory of the mice.
(2) New object identification experiment (Novel Object Recognition Tests, NOR)
New object identification experiment at 50X 50cm 3 The test is carried out in a black open field test box on the peripheral wall of the box, a layer of padding is thinly paved at the bottom of the box, and the padding is uniformly paved by stirring and mixing before each mouse experiment so as to eliminate the interference of the walking route and smell of the last mouse. The whole experimental process keeps the environment quiet, and avoids the factors interfering the behavior of mice as much as possible. The experimental process is divided into a training period and a detection period, and the free exploration process of the mice is observed for 5min respectively. Placing a in the object placing period 1 、a 2 Two identical objects, the detection period will be a 2 The object is changed into a b object, the mouse is placed into the box from the same position facing the box wall at the same distance from the two objects, and the camera starts to record the time and activity of the mouse for exploring the new and old objects. The time and times of the mouse contacting two objects are recorded respectively, and the mouse nose tip contacting or the distance from the recognition object is not more than 2cm, which is regarded as exploring behavior. Calculation of new object cognitive index (Object Recognition index) =t during detection period b /(T a1 +T b ) X 100%, new object cognitive index change rate = (Discrimination index) = (T) b -T a1 )/(T a1 +T b )。T b Object b (New object)Body) search time (seconds); t (T) a1 :a 1 Object (old object) explores time (seconds).
3.4 pharmaceutical intervention
The mice were tested for their behavioral manifestations by the Y maze spontaneous alternation test and new object recognition test and were given by gavage. The administration dose of the traditional Chinese medicine compound is calculated to be equivalent dose administration according to the body surface areas of clinical human and mice. 10 mL/kg.d of each mouse, uniformly weighing all the mice before each drug filling, recording and calculating the dosage of the traditional Chinese medicine of each mouse according to the number, sequentially filling the drug according to groups, and continuously filling for 4 weeks; the model group and the blank control group are subjected to gastric lavage by using an equal volume of normal saline, and index detection is carried out after continuous gastric lavage administration for 4 weeks.
(1) Blank control group: the stomach is irrigated with an equal volume of physiological saline 1 time each day;
(2) model group: the stomach is irrigated with an equal volume of physiological saline 1 time each day;
(3) compound low-dose group of traditional Chinese medicines: the traditional Chinese medicine compound gastric lavage of 0.4g/kg is administered 1 time per day;
(4) high-dose group of traditional Chinese medicine compound: the traditional Chinese medicine compound gastric lavage of 0.8g/kg is administered 1 time per day;
(5) donepezil hydrochloride group: the donepezil suspension was administered 1 gastric lavage per day at 0.65 mg/kg.
3.5 preparation of materials and samples
(1) Serum sample preparation: after the compound Chinese medicine is administrated by stomach irrigation for 4 weeks, the body weight of all experimental mice is recorded, and no water is forbidden after 12 hours of fasted before sample collection. After mice are injected into the complete anesthesia state by 50mg/kg of pentobarbital sodium with concentration of 0.3%, eyeballs take blood, whole blood stands still, serum is separated by aseptic centrifugation for 15min at 3000r/min, and the serum is stored at-80 ℃ after sub-packaging until detection.
(2) Mouse hippocampal tissue and whole brain collection and pretreatment: mice were sacrificed by cervical dislocation after blood collection by intraperitoneal injection of 50mg/kg of 0.3% pentobarbital sodium into a fully anesthetized state. The whole brain was rapidly removed on ice, and cortical tissue and hippocampus were separated and weighed. The sea horse tissue is packed with tinfoil paper and stored in a liquid nitrogen tank. Next, brain segments containing intact hippocampus were left and rapidly fixed in 4% paraformaldehyde for 24h. The fixed tissue is subjected to gradient alcohol dehydration, xylene transparency, paraffin impregnation and paraffin embedding, and a plurality of continuous coronal slices containing the largest face of the sea horse are prepared by conventional slicing, and the thickness is 5 mu m. HE staining and immunohistochemical staining were performed to observe changes in hippocampal histology.
(3) Other tissue and organ collection: after the neck-removing treatment of the mice, tissue organs such as heart, lung, liver, kidney, spleen, colon and the like are taken out, washed in physiological saline, and the filter paper is used for sucking surface moisture. Quickly immersing the tissues in 4% paraformaldehyde solution for fixation for histopathological detection, and quickly freezing the tissues which are not detected in liquid nitrogen and storing the tissues in an ultralow temperature refrigerator at-80 ℃ for later use.
(4) Mouse feces collection: on day 28 of drug intervention, mice were placed in clean metabolic cages, 1 each. After the mice relieve the bowels, the fresh faeces (more than or equal to 100 mg) of each group of mice are immediately collected by a freezing tube, the fresh faeces are collected and rapidly put into a sterile freezing tube, and are put into liquid nitrogen for quick freezing, and after 30min, the freezing tube is moved into a refrigerator at the temperature of minus 80 ℃ for preservation.
3.6 observation index and detection method
3.6.1 mouse behavioural analysis
The mouse behavioural analysis is completed in an animal behavioural room of the university of Chinese medicine science experiment center in Guangxi, the temperature of the behavioural room is 23+/-1 ℃, the illumination rhythm is 12/12 hours, and the illumination is carried out from 7 hours early to 19 hours late. The experimenter is sufficiently familiar with the mice before the start of the behavioural test and transfers the mice to the behavioural room in advance to adapt to the environment, so as to relieve the stress response brought in the test.
3.6.1.1Morris Water maze test (Morris Water Maze Tests, MWM Tests)
A circular pool with the diameter of 120cm and the height of 50cm is divided into 4 quadrants, the water depth in the pool is 26cm, and the water temperature is maintained at 23+/-1 ℃. And 1 circular platform with the diameter of 10cm and the height of 25cm is placed at the position 35cm away from the pool wall in the target quadrant, and the platform is positioned under the pool water dyed with titanium white for 1cm, so that the mice are prevented from seeing the platform. A green equilateral triangle plastic mark with a side length of 15cm is stuck on the wall of the target quadrant pool and is used as a guide for the memory and the judgment of the space position of the mice. A camera connected with a display system is arranged above the water maze, and the moving track of the mouse is synchronously recorded. And carrying out formal experiments after the adaptability training.
Positioning navigation experiment: each group of mice are placed into water from four quadrant water inlet points towards the pool wall every day, the four limbs of the mice climb up to the platform and stay for more than 10s after finding an underwater circular platform in 60s of water inlet, and the mice are recorded as escape latency; the mice were recorded for a 60s escape latency exceeding 60s and were guided to stay on the platform for 10s. After the experiment was completed, each mouse was wiped dry and the water of the mouse hair was dried using a warmer. Each mouse was tested 4 times daily for 5 consecutive days to observe the learning and memory process of the mice.
Space search experiment: and removing the circular platform on the 6 th day, putting the mouse facing the pool wall into water, and recording the path, the residence time in the original target quadrant and the times of the mouse passing through the original target platform within 60s, wherein the path, the residence time and the times are taken as detection indexes of spatial memory.
3.6.1.2Y maze spontaneous alternation experiment (Y-maze Spontaneous Alternation Test, YSA)
The method is as described above.
3.6.1.3 New object identification experiment (Novel Object Recognition Tests, NOR)
The method is as described above.
3.6.2 Paraffin-embedded sections of tissue
3.6.2.1 materials are taken: fresh tissue was fixed to 4% paraformaldehyde for more than 24h. And taking out the tissue from the fixing solution, trimming the tissue of the target part in a fume hood by using a surgical knife, and placing the trimmed tissue and a corresponding label in a dehydration box.
3.6.2.2 dehydration: and placing the dehydration box into a basket, and sequentially carrying out gradient alcohol dehydration in a dehydrator. 75% alcohol 4h-85% alcohol 2h-90% alcohol 2h-95% alcohol 1 h-absolute alcohol I30 min-absolute alcohol II 30 min-alcohol benzene 5-10 min-xylene I5-10 min-xylene II 5-10 min-wax I1 h-wax II 1 h-wax III 1h.
3.6.2.3 embedding: embedding the wax-soaked tissue in an embedding machine. Firstly, putting melted wax into an embedding frame, taking out tissues from a dehydration box before the wax is solidified, putting the tissues into the embedding frame according to the requirement of an embedding surface, and attaching corresponding labels. Cooling at-20deg.C, solidifying, removing the wax block from the embedding frame, and trimming.
3.6.2.4 slice: the trimmed wax block was placed on a paraffin microtome for slicing to a thickness of 4 μm. The slices float on warm water at 40 ℃ of a slice spreading machine to flatten the tissues, the tissues are fished up by using glass slides, and the slices are put into a 60 ℃ oven to be baked. And taking out the water after the water is baked to dry the wax and bake the wax, and preserving the wax at normal temperature for standby.
3.6.3HE dyeing
3.6.3.1 paraffin sections dewaxed to water: sequentially placing the slices into xylene I20 min-xylene II 20 min-absolute ethanol I10 min-absolute ethanol II 10min-95% alcohol 5min-90% alcohol 5min-80% alcohol 5min-70% alcohol 5 min-distilled water for washing.
3.6.3.2 hematoxylin-stained nuclei: the slices are stained with Harris hematoxylin for 3-8min, washed with tap water, differentiated with 1% hydrochloric acid alcohol for several seconds, washed with tap water, and returned to blue with 0.6% ammonia water, and washed with running water.
3.6.3.3 eosin-stained cytoplasm: the slices are dyed in eosin dye solution for 1-3min.
3.6.3.4 water-removing sealing piece: sequentially placing the slices into 95% alcohol I5 min-95% alcohol II 5 min-absolute alcohol I5 min-absolute alcohol II 5 min-xylene I5 min-xylene II 5min for dehydration and transparency, taking out the slices from the xylene, slightly airing, and sealing the slices with neutral resin.
3.6.3.5 microscopy: and (5) image acquisition and analysis.
3.6.4 Transmission Electron microscopy analysis
Taking out brain tissue, placing into 3% glutaraldehyde for fixing for 24h, washing with PBS buffer solution, fixing 2% osmium acid for 2h, dehydrating with acetone for 3 times, soaking with epoxy resin mixed solution, embedding for 24h, repairing, positioning, dyeing with toluidine blue, observing, ultrathin slicing, double dyeing with uranium acetate and lead nitrate, and observing ultrastructures such as hippocampal neurons, neuron mitochondria, and the like with a transmission electron microscope.
3.6.5 apoptosis assay
TUNEL method was used for detection. After 4 μm continuous paraffin sections in HE staining were washed 3 times with PBS buffer, the apoptosis of hippocampus, especially CA1 region, was observed with a fluorescence microscope, 10 fields per section were randomly selected for measuring apoptotic cell counts using a computer image processing system, and images were collected.
3.6.6ELISA detection
Taking 1g of mouse hippocampal tissue, adding ice physiological saline into the mouse hippocampal tissue according to the volume ratio of the mouse hippocampal tissue to the physiological saline of 1:9, and fully grinding the mixture to prepare hippocampal tissue homogenate. Centrifuging at 2500r/min for 10min at 4deg.C, collecting supernatant, and measuring Abeta 1-42, tau, and APP by ELISA method.
3.6.7real-time PCR analysis
mRNA expression of miR-193b, miR-296, abeta 1-42, tau, APP, EGFR, PI3K, akt, MAPK, ERK, FN1, HIF-1 alpha, BDNF, ROS, HO-1, NQO1 and Nrf2 was analyzed. Extracting total RNA of Hippocampus tissue by Trizol method, and analyzing RNA concentration and purity by ultraviolet spectrophotometry. The total RNA was reverse transcribed into cDNA. And designing and synthesizing related target gene primers, and then performing real-time fluorescent quantitative PCR to analyze the mRNA level of the related genes.
3.6.8Western blot analysis
Analysis of Aβ, tau, APP, MAPK, FN1, EGFR, PI3K, akt, HIF-1α, ERK, BDNF, ROS, HO-1, NQO1, nrf2 protein expression. 50mg of each group of hippocampal tissues are weighed, mixed lysate with the volume of 500 mu L is added, the hippocampal tissues are homogenized and disintegrated by adopting a tissue homogenizer, and low-temperature high-speed centrifugation (4 ℃,15000rpm,15 min) is started after the ultrasonic lysing for 30 s. Detecting protein sample concentration by using BCA kit, performing SDS-PAGE electrophoresis, western transferring, incubating the membrane with primary antibody and secondary antibody, and developing by chemiluminescence.
4 statistical method
Data were statistically processed using SPSS25.0 statistical software and plotted using GraphPad Prism 8 software. Firstly, carrying out normal and variance alignment test, and if each group meets normal distribution and the variances are aligned, adopting t test for overall mean value comparison between the two groups; the overall mean value comparison among the groups adopts One-way ANOVA (One-way ANOVA), and if the difference among the groups has statistical significance, the Bonferroni method is further adopted for carrying out the pairwise comparison. When the non-normal distribution or variance is uneven, the overall distribution between the two groups is checked by adopting a non-parameter Mann-Whitney U; the comparison between groups adopts Kruskal-Wallis test, if the difference between groups has statistical significance, the comparison is further carried out by adopting Bonferroni correction test, and P < 0.05 is the difference has statistical significance.
5 results
5.1 behavioral baseline data analysis of groups of mice prior to drug intervention
The study tested and quantified the degree of cognitive deficit in APP/PS1 mice by Y maze spontaneous alternation experiments and new object recognition experiments. The spontaneous alternation experiment of the Y maze is a behavioral test for detecting the willingness of rodents to explore new environments, the action ability and the short-time working memory ability. Rodents generally prefer to explore new areas rather than familiar areas, which are related to brain area functions such as the hippocampus, prefrontal cortex, basal forebrain, and diaphragm. The new object recognition experiment is a behavioral test for detecting the recognition memory capacity of rodents (such as mice) based on the principle that the rodents like exploring new things and generating trend behaviors, and the experiment process does not cause strong boring factors (such as water intolerance, electric shock and the like) of the mice, does not generate bad stimulus to the mice, and is more objective. New object recognition experiments can study the exploratory capacity and short-term non-spatial near memory capacity of mice, and evaluate the integrity and attention of visual object recognition memory of animals. Y maze spontaneous alternation accuracy (z= -3.267, p=0.001 < 0.05) and new object cognition index (t=3.65, p=0.00 < 0.05) were lower for APP/PS1 group mice than for CON group (fig. 1A, 1B) (×p < 0.01, ×p < 0.001, compared to CON group). APP/PS1 mice were divided into MOD group, LDG group, HDG group, DON group according to the random block method, the Y maze spontaneous alternation accuracy of 4 APP/PS1 mice was not statistically significant to the difference of the new object cognitive index total score value (f=0.040, p=0.989 > 0.05), and the Y maze spontaneous alternation accuracy of 4 APP/PS1 mice was lower than that of CON group (P < 0.05) with the new object cognitive index total score value (fig. 1C).
5.2 behavioural results in mice of groups after drug intervention
5.2.1 comparison of escape latency for Morris Water maze positioning navigation experiments
The Morris water maze positioning navigation experiment can observe the learning and memory process of the mice. The difference of escape latency of each group on day 1 of the water maze positioning navigation experiment has no statistical significance (P > 0.05); the differences for each group by day 3 were not statistically significant (h=8.241, p=0.083 > 0.05); as the mice learn in Morris water maze positioning navigation experiments, it is obvious from the comparison table (table 1) and line graph (fig. 2) of the escape latency of the mice after intervention that the escape latency of the mice in the HDG group, the LDG group, the DON group and the CON group is obviously shortened, the difference between the escape latency of the mice in the HDG group, the LDG group, the DON group and the escape latency of the mice in the CON group and the escape latency of the mice in the 5 th group (H=42.93, P=0.000 < 0.05) and the escape latency of the mice in the 5 th group (H=49.74, P=0.000 < 0.05) has statistical significance, the time for finding the platform of the mice in the HDG group, the LDG group, the DON group and the CON group is reduced compared with the time for finding the platform in the MOD group, and the difference has statistical significance (P < 0.05), and the learning of the mice in the HDG group, the LDG group, the DON group and the CON group in the Morris water maze positioning experiments is shown
TABLE 1
5.2.2Morris water maze space exploration experiment results
The MWM experiment evaluates the spatial position learning ability and memory ability of animals by forcing the experimental animals to swim, learn, memorize and search for hidden platforms in water, is related to synaptic plasticity of hippocampus and NMDA receptor function, and is a classical behavioral detection method for researching cognitive functions of animals. The experimental result of space exploration of the study shows that compared with the CON group, the MOD group mice have disordered swimming paths and no purposefulness, and have no obvious tendency of searching markers, target quadrants and target platforms; the swim paths of mice in LDG group, HDG group, and DON group were compared to MOD group, and had the purpose of finding markers, target quadrants, and platforms (fig. 3A).
The average swimming speed difference of mice in each group is statistically significant (h=47.76, p=0.00 < 0.05), the average swimming speed of mice in HDG group, LDG group, DON group, CON group is faster than that of mice in MOD group, the difference is statistically significant (P < 0.001), indicating that the motor ability of mice in MOD group is reduced compared with that of mice in CON group, and the motor ability of APP/PS1 mice is improved after the intervention of HDG group, LDG group, DON group (fig. 3B, which shows P < 0.001, compared with MOD group).
The difference in target plateau quadrant residence time was statistically significant for each group of mice (h=12.679, p=0.013 < 0.05), with the target plateau quadrant residence time for the HDG group (p=0.02 < 0.05) and the CON group (p=0.03 < 0.05) being longer than for the MOD group (fig. 3C, which represents P < 0.05 compared to the MOD group). The difference in the ratio of target platform quadrant to target platform to side quadrant time was also statistically significant for each group of mice (h=21.54, p=0.000 < 0.05). The ratio of target platform quadrant to target platform opposite quadrant time was higher for CON group (p=0.043 < 0.05), LDG group (p=0.001 < 0.05), HDG group (p=0.000 < 0.05), DON group (p=0.022 < 0.05) than for MOD group.
The difference in the number of times of crossing the original target platform was statistically significant for each group of mice (h=14.10, p=0.007 < 0.05), CON group (p=0.039 < 0.05), LDG group (p=0.011 < 0.05), DON group (p=0.033 < 0.05) more times of crossing the original target platform than MOD group, and the difference was statistically significant (fig. 3D, representing P < 0.05, compared to MOD group).
5.2.2Y maze test results
The difference in total number of movements of the three arms of the Y maze by the mice of each group was not statistically significant (f=1.943, p=0.113 > 0.05) (fig. 4A), and the difference in spontaneous alternation accuracy of the Y maze was statistically significant (h=16.38, p=0.003 < 0.05). The spontaneous alternation accuracy of the Y maze of the CON group and the HDG group was 75% and 73%, respectively, which was superior to 58% of the MOD group, and the difference was statistically significant (fig. 4B, P < 0.05, P < 0.01, compared to the MOD group).
5.2.3 New object identification experiment results
In the new object recognition experiment, MOD group mice showed reduced behavior and time for exploring new objects compared to CON group mice, and LDG group, HDG group, DON group mice showed increased behavior and time for exploring new objects (fig. 5A). The difference between the new object cognitive index and the new object cognitive index change rate of each group of mice was statistically significant (h=9.52, p=0.049 < 0.05). The new object cognitive indices of the DON group and MOD group were 68% and 47%, respectively, and the new object cognitive index change rates of the DON group and MOD group were 37% and-7%, respectively, with statistical significance of the difference (fig. 5B, which shows P < 0.05, compared to MOD group). 5.3 results of routine blood test for mice of each group after drug intervention
In order to further study the safety of the traditional Chinese medicine compound, the study detects the change condition of the blood routine detection results of mice in each group after the dry period. The results showed that the mice in each group had few cases with blood routine test results outside the normal interval. Statistical analysis shows that the mean value of various indexes of blood routine of dry prognosis is in a normal reference interval, wherein the difference of HGB test results has statistical significance (H=13.77, P=0.008 < 0.05), and further analysis shows that the HGB test results of the LDG group and the HDG group are higher than those of the CON group, and the difference has statistical significance (P=0.04 < 0.05). The differences in RBC (h=9.308, p=0.054 > 0.05), WBC (h=6.453, p=0.168 > 0.05), PLT (f=0.944, p=0.444 > 0.05) were not statistically significant for each group of mice (fig. 6, which represents P < 0.05, compared to CON group).
5.4 HE staining results of mice of each group after intervention
HE staining after drug intervention shows that CA1 neurons of sea horse areas of CON brain tissues are orderly and compact in arrangement, clear in cell outline, uniform in size, free from obvious denaturation and free from reduction in quantity. The CA1 neurons of the hippocampus of MOD group were severely damaged, the cell number was decreased, the arrangement was disordered, the cells were largely neurodegenerative, the cell bodies were concentrated and deeply stained, the shape was irregular, pathological fiber tangles were partially seen, and the number of apoptotic cells was significantly increased (shown by black arrows in fig. 7). The DON group Hippocampus CA1 region neuron structure is slightly abnormal, the nerve arrangement is neat and compact, the degeneration is occasional, and the damage degree is obviously improved compared with the MOD group as shown by black arrows. The arrangement of neurons in the CA1 region of the Hippocampus of the LDG group is relatively regular, the number of cells is not reduced, partial neurodegeneration, cell concentration and deep dyeing are realized, and the damage degree is obviously improved compared with that of a model group; the arrangement of neurons in the CA1 region of the sea horse in the HDG group is relatively regular, the cell degeneration is even, the cell body is deeply dyed, and the damage degree is obviously improved compared with that in the model group.
The traditional Chinese medicine compound comprises American ginseng, gastrodia elata, pseudo-ginseng, red-rooted salvia root and longan in a weight ratio of 5-8:5-8:2-4:2-4:2. The American ginseng, the tall gastrodia tuber, the sanchi, the red sage root and the longan are all water extracts or alcohol extracts. Or the American ginseng, the tall gastrodia tuber, the sanchi, the red sage root and the longan are all raw medicines and are directly ground into powder.
The traditional Chinese medicine compound can be directly used or used in the form of a pharmaceutical preparation.
The pharmaceutical preparation contains a therapeutically effective amount of the traditional Chinese medicine compound of the invention, and the balance is pharmaceutically acceptable carrier and excipient which are nontoxic and inert to human and animals.
The pharmaceutically acceptable carrier or excipient is one or more selected from solid, semi-solid, and liquid diluents, fillers, and pharmaceutical adjuvants. The pharmaceutical preparation of the present invention is used in the form of a unit weight dose. When the invention is used for oral administration, the composition can be prepared into tablets, sustained-release tablets, controlled-release tablets, capsules, dripping pills, micropills, suspension concentrates, emulsions, powders or granules (nano-preparations), oral liquid and the like.
The number of equipment and the scale of processing described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be readily apparent to those skilled in the art.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown, it is well suited to various fields of use, and further modifications may be readily apparent to those skilled in the art, without departing from the general concepts defined by the claims and the equivalents thereof, and therefore the invention is not limited to the specific details and illustrations shown and described herein.
Claims (8)
1. A traditional Chinese medicine composition for improving cognitive function is characterized by being prepared from American ginseng, gastrodia elata, pseudo-ginseng, red-rooted salvia root and longan in a weight ratio of 6:6:3:3:2.
2. The Chinese medicinal composition according to claim 1, wherein the American ginseng, gastrodia tuber, notoginseng, red sage root and longan are all aqueous or alcoholic extracts.
3. The Chinese medicinal composition according to claim 1, wherein the American ginseng, the gastrodia tuber, the notoginseng, the red sage root and the longan are all raw medicines and are directly ground into powder.
4. A pharmaceutical composition for improving cognitive function, which is prepared from the traditional Chinese medicine composition of claim 1 and a pharmaceutically acceptable carrier.
5. The pharmaceutical composition of claim 4, wherein the pharmaceutically acceptable carrier is selected from one or more of diluents, solubilizers, cosolvents, disintegrants, dispersants, lubricants, flavoring agents, antioxidants, binders, absorbents, wetting agents, buffers, and cross-linking agents.
6. The pharmaceutical composition of claim 4, wherein the pharmaceutical composition is formulated into a pharmaceutically acceptable dosage form.
7. The pharmaceutical composition of claim 6, wherein the dosage form is selected from the group consisting of: pills, tablets, powders, capsules, granules, drops, sprays, injections, suspensions, gels, suppositories.
8. The pharmaceutical composition of claim 6, wherein the dosage form is a powder or a drop pill.
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CN101849979A (en) * | 2009-11-06 | 2010-10-06 | 中山市中智药业集团有限公司 | Chinese medicinal composition granules and preparation method thereof |
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